On previous comment, GPU is hung see excerpt from dmesg:
[ 98.664029] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung [ 98.664048] render error detected, EIR: 0x00000000 [ 98.664092] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting 3401 at 3400) [ 100.344064] [drm:i915_gem_idle] *ERROR* hardware wedged [ 102.518761] [drm:i915_gem_entervt_ioctl] *ERROR* Reenabling wedged hardware, good luck
Was not successful at sudo service gdm stop, sudo startx.
Jerry
On previous comment, GPU is hung see excerpt from dmesg:
[ 98.664029] [drm:i915_ hangcheck_ elapsed] *ERROR* Hangcheck timer elapsed... GPU hung do_wait_ request] *ERROR* i915_do_ wait_request returns -5 (awaiting 3401 at 3400) gem_entervt_ ioctl] *ERROR* Reenabling wedged hardware, good luck
[ 98.664048] render error detected, EIR: 0x00000000
[ 98.664092] [drm:i915_
[ 100.344064] [drm:i915_gem_idle] *ERROR* hardware wedged
[ 102.518761] [drm:i915_
Was not successful at sudo service gdm stop, sudo startx.
Jerry